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Finding the Fourth Proportional to 5,799.74, 8,703.98 and 4,243.76

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Solution

The fourth proportional to 5,799.74, 8,703.98 and 4,243.76 is: 6,368.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.74 : 8,703.98 = 4,243.76 : x
  2. Step 2: Convert to fraction form
    5,799.74/8,703.98 = 4,243.76/x
  3. Step 3: Cross multiply
    5,799.74x = 8,703.98 × 4,243.76
  4. Step 4: Simplify right side
    5,799.74x = 36,937,601.89
  5. Step 5: Solve for x
    x = 36,937,601.89/5,799.74
  6. Step 6: Final answer
    x = 6,368.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.